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Activated carbon adsorption
Vrána, Tomáš ; Dvořák, Radek (referee) ; Solodyankin, Kirill (advisor)
The objective of this bachelor’s thesis is the description of the Activated carbon adsorption. It’s here division activated carbon according to form and using. Further then description adsorption from fluent and from liquid phase on activated carbon. There are here reffered to factors influencing adsorption. At last chapter is comparing effectiveness adsorption near activated carbon, zenotil and silica gel.
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The problems of fenol sorption from waste water
Židek, Michal ; Pavlovský,, Jiří (referee) ; Doležalová Weissmannová, Helena (advisor)
The bachelor work deals of sorption of phenol from waste water. In theoretical part the basic characteristic of phenol, their effects and presence in environmental compounds are described. The possibility of removal phenol from waste water in waste water treatment is also described. The adsorption process of removal phenol introduced too. The analysis current adsorbents using in removal phenol from aqueous solutions and characteristic properties are also presented in relation to materials on the base of clay minerals. The experimental part is focused on the possibility of removal phenol from aqueous solution via adsorption mechanism under various pH conditions.
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Problems of phenols in water
Tylichová, Petra ; Čáslavský, Josef (referee) ; Doležalová Weissmannová, Helena (advisor)
This bachelor`s thesis deals with the issue of phenols in the waters. The theoretical part summarises the information about the characteristics of the phenols, its use, appearance in the environment, and its effects on human health. There are described methods of determination these substance in the waters. The last chapter disserts on possible methods of eliminating the phenols from the aqueous environment with special attention paid to the adsorption method. Part of this thesis is also dedicated to the chlorinated phenols which originate from chlorination of the phenolic waters and which cause the sensory interferences of the waters. The experimental part of this thesis is dedicated to removing the phenol from a model water through the adsorption into a powdery active carbon Norit SA SUPER.
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Adsorption of metal ions on humic acids
Pokorná, Markéta ; Mgr. Martina Havelcová, Ph.D (referee) ; Klučáková, Martina (advisor)
The Bachelor´s thesis deals with humic acids and their ability to bind metal ions on their surface. Humic acids are generally aromatic polycyclic compounds, which contain phenolic and carboxylic functional groups on their sidechains. Because of their functional groups, they are able to form stable complex compounds. In this thesis, the adsorption of lead ions was studied by electroanalytical method called flow-through coulometry.
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Adsorption of 1,2-dipalmitoyl-sn-glycero-3-phosphocholine on Au(111) and HOPG
Kocábová, Jana ; Sokolová, Romana
Atomic force microscopy (AFM) was used to study the formation of layers of 1,2-dipalmitoyl-sn-glycero-3-phosphocholine (DPPC) on Au(111) and highly oriented pyrolytic graphite (HOPG) in microscopic level. Both substrates were found to support the DPPC layers. The nanoshaving technique was applied to determine the layer thickness. In addition, the influence of deionized water on the DPPC ordering at the substrates was studied by ex-situ and in-situ AFM intermittent contact mode measurements.
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